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发明名称
ARRANGEMENTS FOR SECURING DATA TRANSFERS IN A COMMUNICATION SYSTEM
摘要
申请公布号
GB1484472(A)
申请公布日期
1977.09.01
申请号
GB19740033051
申请日期
1974.07.26
申请人
PLESSEY CO LTD
发明人
分类号
H04Q3/545;(IPC1-7):G06F3/00
主分类号
H04Q3/545
代理机构
代理人
主权项
地址
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